1. (

• changeless ,
• constant ,
• invariant ,
• unvarying

) unvarying in nature; "maintained a constant temperature"; "principles of unvarying validity" ;

2. (

• unvaried ,
• unvarying

) lacking variety ;

3. (

• uniform ,
• unvarying ,

) always the same; showing a single form or character in all occurrences; "a street of uniform tall white buildings" ;